PSCI 2074

Midterm Examination

KEY CONCEPTS

CHAPTER 3

Antecedent Variable

Dependent Variable

Directional Hypothesis

Independent Variable

Intervening Variable

Negative Relationship

Positive Relationship

Unit of Analysis

CHAPTER 4

Level of Measurement

Nominal Measurement

Ordinal Measurement

Interval Measurement

Ratio Measurement

Operational Definition

Conceptual Definition

Validity

Construct Validity

Content Validity

Face Validity

Reliability

Alternate Form Method

Test-Retest Method

Split Halves Method

CHAPTER 5

Research Design

Experiment

Experimental Group

Control Group

Classical Experiment

Solomon 4 Group Design

Cross-sectional Design

Time Series Design

Internal Validity

External Validity

Threats to Validity (list…)

CHAPTER 7

Sample

Element

Population

Sample Statistic

Estimator

Statistical Inference

Sampling Fraction

Probability Sample

Nonprobability Sample

Simple Random Sample

Stratified Sample

Cluster Sample

Convenience Sample

Snowball Sample

Expected Value

Margin of Error

Confidence Level

CHAPTER 11

Descriptive Statistics

Frequency Distribution

Cumulative Frequencies

Central Tendency

Mean

Median

Mode

Dispersion

Range

Interquartile Range

Mean deviation

Standard deviation

Variance

Normal Distribution

Standard Normal Distribution

Z-score